In this 3.MD.2 Third Grade Common Core Lesson, students measure and estimate masses of objects using grams, kilograms and liters.

In this 3.MD.3 Third Grade Common Core Lesson, studentsdraw a scaled picture graph and a scaled bar graph to represent a data set with several categories.

In this 3.MD.5 Third Grade Common Core Lesson, studentsfind the area of given rectangles by counting squares or using a formula.

In this 3.OA.6 Third Grade Common Core Lesson, students understand division as a way to find the unknown number in a multiplication problem.

In this 3.OA.8 Third Grade Common Core Lesson, students solve two-step word problems using the four operations and checking for reasonableness of answer.

Using L.3.1 Third Grade Common Core Lesson, students sort examples into Past, Present, and Future categories in order to demonstrate a command of standard English grammar.

Using L.3.3 Third Grade Common Core Lesson, students demonstrate an understanding of how to change their language if writing or speaking depending on the audience.

Using RI.3.2 Third Grade Common Core Lesson,students determine the main idea of a text and recount the key details and explain how they support the main idea.

Using RL.3.3 Third Grade Common Core Lesson, students describe characters in a storyand explain how their actions contribute to the sequence of events.

Using RL.3.6 Third Grade Common Core Lesson, students distinguish their own point of view from that of the narrator or those of the characters.

Using this SL.3.4 Third Grade Common Core Lesson, students report on a topic or text, tell a story, or recount an experience with appropriate facts and relevant, descriptive details, speaking clearly at an understandablepace.

Using W.3.1 Third Grade Common Core Lesson, students write opinion pieces on topics or texts, supporting a point of view with reasons.

In this 4.G.2 Fourth Grade Common Core Lesson, students classify shapes based on presence or absence of specific lines and angles.

In this 4.MD.1 Fourth Grade Common Core Lesson, studentsknow relative sizes of measurement units within one system of units within a single system of measurement.

In this 4.MD.3 Fourth Grade Common Core lesson students apply formulas to find the area and perimeter of rectangles in word problems.

In this 4.MD.4 Fourth Grade Common Core Lesson, students make and solve problems involving a line plot of a data set of measurements in fractions of a unit.

In this 4.MD.5 Fourth Grade Common Core Lesson, students recognize angles as obtuse, acute or right by playing War!

IIn this 4.NF.3 Fourth Grade Common Core Lesson, students add fractions and mixed numbers with common denominators.

In this 4.OA.1 Fourth Grade Common Core Lesson, students interpret a word problem as an equation,picture, group description and an answer.

In this 4.OA.2 Fourth Grade Common Core Lesson, students write a multiplication sentence that matches a multiplicative comparison word problem.